RAW VIDEO: Thousands Attend Memorial for Slain MA Police Officer

US Vice President Joe Biden joins thousands at a memorial service for Massachusetts Institute of Technology police officer Sean Collier, who was shot in the manhunt for the Boston Marathon bombing suspects.

http://archive.delmarvanow.com/VideoNetwork/2324970424001/RAW-VIDEO-Thousands-Attend-Memorial-for-Slain-MA-Police-Officerhttp://cdn.newslook.com/05/0582fbbffc38176c8bb0e0560b24e67f/mp4_low/0582fbbffc38176c8bb0e0560b24e67f-mp4_low.mp4http://archive.delmarvanow.com/VideoNetwork/2324970424001/RAW-VIDEO-Thousands-Attend-Memorial-for-Slain-MA-Police-Officerhttp://cdn.newslook.com/05/0582fbbffc38176c8bb0e0560b24e67f/images/frame_0002.jpgRAW VIDEO: Thousands Attend Memorial for Slain MA Police OfficerUS Vice President Joe Biden joins thousands at a memorial service for Massachusetts Institute of Technology police officer Sean Collier, who was shot in the manhunt for the Boston Marathon bombing suspects.Joe BidennewslookUnited States of AmericausSean Colliermassachusetts01:43